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Production testing

TO SEE how the new generation JS130 performed, we travelled to JCB's Ashbourne proving grounds.

Our test machine was a standard JS130 supplied with two buckets - a 1,200 mm wide, 0.8 cu m capacity bucket was used for truck loading and a smaller capacity 900 mm, 0.55 cu m bucket was used for trenching operations.

Shod on 700 mm triple grousers, the excavator was equipped with a standard 4.7 m one-piece boom and a 3.0 m dipper arm.

Test 1: Trenching Test method - equipped with a 900 m wide, 0.8 cu m capacity bucket, we set the JS130 to work across the plains at Ashbourne, to excavate a 2 m deep trench to the width of the bucket.The test was carried out for 20 minutes with the machine set to operate first in Auto mode.We then repeated the test in Economy mode, excavating a second trench adjacent to the first.

All soil was discharged alongside the trenches.

The soil density was estimated at 2,166 kg/bank cu m, 1,928 kg/loose cu m, and the swell factor was 14 per cent.

n Output potential - distance trenched: 53.78 m n Output potential - weight excavated: 209.67 tonnes n Fuel used: 15.80 litres n Tonnes excavated per litre of fuel used: 13.27 t/litre Test 2: Truck loading Test method - excavation of material was carried out from a bench, with the machine required to excavate almost at full depth and reach, before raising its boom and slewing over a 714 ADT to discharge material.The ADT required six passes to fill, with each load sent to a local weighbridge to confirm payload.The test was carried out in Auto mode and the excavator was equipped with a 1,200 mm, 0.8 cu m capacity general-purpose bucket.Material density was 2,166 kg per bank cu m, with a loose cubic metre weighing 1,928 kg.